3066240 has 64 divisors (see below), whose sum is σ = 9779760. Its totient is φ = 817152.

The previous prime is 3066229. The next prime is 3066247. The reversal of 3066240 is 426603.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3066247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1122 + ... + 2718.

Almost surely, 2^3066240 is an apocalyptic number.

3066240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3066240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4889880).

3066240 is an abundant number, since it is smaller than the sum of its proper divisors (6713520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3066240 is a wasteful number, since it uses less digits than its factorization.

3066240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619 (or 1607 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3066240 is about 1751.0682453862. The cubic root of 3066240 is about 145.2787345527.

The spelling of 3066240 in words is "three million, sixty-six thousand, two hundred forty".